CN220613006U - Machining center of integral box type structure - Google Patents

Abstract

The utility model discloses a machining center with an integrated box-type structure, which comprises a machining center body, a portal frame, an integrated carriage, a Z-direction moving mechanism, a front cross beam, a rear cross beam, X-axis linear sliding rails, X-axis driving mechanisms and a main shaft, wherein the portal frame is fixed on the machining center body, the top of the portal frame is designed in a step mode, the front cross beam and the two rear cross beams are respectively fixed with one X-axis linear sliding rail, each X-axis linear sliding rail is provided with two X-axis sliding blocks in a sliding mode, the upper side of the X-axis driving mechanism is connected with the integrated carriage, each X-axis sliding block is fixed at the bottom of the integrated carriage, the Z-axis moving mechanism is arranged in the integrated carriage, and the main shaft is arranged at the bottom of the Z-axis moving mechanism. The Y-axis guide rail and the cross beam are designed in a stepped manner, so that the gravity of the X axis and the Z axis is dispersed, the vibration is reduced, the vibration and the deformation during the processing of the X axis and the Z axis are reduced, the moving stability of the X axis and the Z axis is improved, and the processing precision and the surface smoothness are improved.

Description

Machining center of integral box type structure

Technical Field

The utility model relates to the technical field of machining centers, in particular to a machining center with an integrated box-type structure.

Background

The numerical control machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The numerical control machining center is one of the numerical control machine tools with highest yield and most wide application in the world. The device has strong comprehensive processing capability, can finish more processing contents after one-time clamping of workpieces, has higher processing precision, is suitable for batch workpieces with medium processing difficulty, has the efficiency which is 5-10 times that of common equipment, can finish processing which cannot be finished by a plurality of common equipment, and is more suitable for single-piece processing or small-medium batch production with complex shape and high precision requirement.

The stability that current longmen machining center behind the loading its main shaft removed in X axle direction is not strong, leads to the precision of processing not ideal, consequently, to above current situation, the X axial movement control of urgent need development to the main shaft is accurate, machining precision is higher integrative box-type structure's machining center to overcome the not enough in the current practical application, satisfy current demand.

Disclosure of Invention

The present utility model is directed to a machining center with an integrated box structure, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a machining center of integrative box structure, includes machining center body, portal frame, integrative carriage, Z axial travel mechanism, front beam, rear beam, X axial linear slide rail, X axial actuating mechanism and main shaft, be fixed with the portal frame on the machining center body, the top of portal frame is with the ladder type design, and the left side is provided with the concave kerve of X axle, the left and right sides of the concave kerve of X axle all is provided with a rear beam, the top right-hand member of portal frame is provided with the front beam, all be fixed with an X axial linear slide rail on front beam and the two rear beams, every all slidable mounting has two X axle sliders on the X axial linear slide rail, install X axial actuating mechanism in the concave kerve of X axle, X axial actuating mechanism's upside is connected with integrative carriage, every X axle slider is all fixed in the bottom of integral carriage, install Z to travel mechanism in the integrative carriage, Z is installed to travel mechanism's bottom.

Preferably: the X-axis driving mechanism comprises: the X-axis servo motor is fixed in the X-axis concave bottom groove, the X-axis ball screw is rotationally connected in the X-axis concave bottom groove, an output shaft of the X-axis servo motor is connected with the X-axis ball screw, the X-axis ball screw is provided with the X-axis rolling nut, and the X-axis rolling nut is fixed with the bottom of the integrated carriage.

Preferably: the front cross beam is higher than the rear cross beam, and the heights of the two rear cross beams are the same.

The beneficial effects of the utility model are as follows: this machining center of integrative box structure, during the use, drive X axle ball screw through X axle servo motor and rotate, drive X axle rolling nut through X axle rolling nut and remove along the X axle, restrict the motion of integral type carriage through X axle slider for the integral type carriage can only slide along X axial linear slide rail, and then improves the geometric accuracy when integral type carriage removes along the X axle, drives Z through integral type carriage and removes mechanism and main shaft along the X axle, and then guarantees the geometric accuracy when main shaft removes along the X axle. In conclusion, the utility model has the advantages of accurate control of X-axis movement of the main shaft and higher processing precision.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic diagram of a portion of the structure of the present utility model.

Fig. 3 is a schematic diagram of a portion of the structure of the present utility model.

Fig. 4 is a schematic diagram of a portion of the structure of the present utility model.

Fig. 5 is a front view of the gantry of the present utility model.

Legend description:

1. a machining center body; 2. a portal frame; 201. an X-axis concave bottom groove; 3. an integral carriage; 4. a Z-axis moving mechanism; 5. a front cross member; 6. a rear cross member; 7. an X-axis linear slide rail; 701. an X-axis sliding block; 8. an X-axis driving mechanism; 801. an X-axis servo motor; 802. an X-axis ball screw; 803. an X-axis rolling nut; 9. a main shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples are given below.

Referring to fig. 1 to 5, in the embodiment of the utility model, a machining center of an integral box structure comprises a machining center body 1, a portal frame 2, an integral carriage 3, a Z axial moving mechanism 4, a front cross beam 5, a rear cross beam 6, an X axial linear slide rail 7, an X axial driving mechanism 8 and a main shaft 9, wherein the portal frame 2 is fixed on the machining center body 1, the top of the portal frame 2 is designed in a stepped manner, an X axial concave bottom groove 201 is arranged on the left side, a rear cross beam 6 is arranged on the left side and the right side of the X axial concave bottom groove 201, the top right end of the portal frame 2 is provided with the front cross beam 5, the height of the front cross beam 5 is higher than that of the rear cross beam 6, the heights of the two rear cross beams 6 are the same, the front cross beam 5 and the two rear cross beams 6 are both fixedly provided with an X axial linear slide rail 7, two X axial slide blocks 701 are respectively slidably mounted on each X axial linear slide rail 7, an X axial driving mechanism 8 is mounted in the X axial concave bottom groove 201, the X axial driving mechanism 8 is connected with the X axial driving mechanism 3, and the X axial moving mechanism 4 is mounted on the bottom of the carriage 3 through the Z axial moving mechanism 4, and the Z axial moving mechanism 4 is fixedly arranged on the bottom of the carriage 3 along the Z axial direction 4.

The X-axis driving mechanism 8 includes: the X-axis servo motor 801, an X-axis ball screw 802 and an X-axis rolling nut 803, wherein the X-axis servo motor 801 is fixed in the X-axis concave bottom groove 201, the X-axis ball screw 802 is rotatably connected in the X-axis concave bottom groove 201, an output shaft of the X-axis servo motor 801 is connected with the X-axis ball screw 802, the X-axis rolling nut 803 is mounted on the X-axis ball screw 802, and the X-axis rolling nut 803 is fixed with the bottom of the integrated carriage 3.

Working principle: when the integrated box-type structure machining center is used, the X-axis servo motor 801 drives the X-axis ball screw 802 to rotate, the X-axis ball screw 802 drives the X-axis rolling nut 803 to move, the X-axis rolling nut 803 drives the integrated carriage 3 to move along the X axis, the X-axis sliding block 701 limits the movement of the integrated carriage 3, the integrated carriage 3 can only slide along the X-axis linear sliding rail 7, the geometric precision of the integrated carriage 3 in moving along the X axis is improved, the Z-axis moving mechanism 4 and the spindle 9 are driven to move along the X axis through the integrated carriage 3, and the geometric precision of the spindle 9 in moving along the X axis is guaranteed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (3)

1. The machining center of the integrated box type structure is characterized by comprising a machining center body (1), a portal frame (2), an integrated carriage (3), a Z axial moving mechanism (4), a front cross beam (5), a rear cross beam (6), X axial linear slide rails (7), X axial driving mechanisms (8) and a main shaft (9), wherein the portal frame (2) is fixed on the machining center body (1), the top of the portal frame (2) is designed in a stepped mode, an X axial concave bottom groove (201) is arranged on the left side, a rear cross beam (6) is arranged on the left side and the right side of the X axial concave bottom groove (201), a front cross beam (5) is arranged at the right end of the top of the portal frame (2), an X axial linear slide rail (7) is fixed on the front cross beam (5) and the two rear cross beams (6), two X axial slide blocks (701) are slidably mounted on each X axial linear slide rail (7), an X axial driving mechanism (8) is mounted in the X axial concave bottom groove (201), the X axial linear slide rail (5) is connected with the X axial linear slide rail (6) at the right end, the X axial linear slide rail (6) and the X axial linear slide rail (6) is fixedly connected with the X axial linear slide rail (701) at the right end of the front cross beam (6), the bottom of the Z-axis moving mechanism (4) is provided with a main shaft (9).

2. Machining center of an integrated box structure according to claim 1, characterized in that the X-axis drive mechanism (8) comprises: x axle servo motor (801), X axle ball screw (802) and X axle roll nut (803), X axle servo motor (801) are fixed in X axle concave type kerve (201), X axle ball screw (802) rotate connect in X axle concave type kerve (201), the output shaft of X axle servo motor (801) links to each other with X axle ball screw (802), install X axle roll nut (803) on X axle ball screw (802), X axle roll nut (803) are fixed with the bottom of integral type planker (3) mutually.

3. Machining center of an integrated box-like structure according to claim 1, characterized in that the front cross member (5) is higher than the rear cross member (6), the height of both rear cross members (6) being identical.